[U-Boot] [PATCH] ti: boot: Register the MMC controllers in SPL in the same way as in u-boot

[Jean-Jacques Hiblot]

On 06/02/2017 13:49, Tom Rini wrote:
> On Mon, Feb 06, 2017 at 12:25:19PM +0100, Jean-Jacques Hiblot wrote:
>>
>> On 03/02/2017 17:52, Tom Rini wrote:
>>> On Wed, Feb 01, 2017 at 11:39:14AM +0100, Jean-Jacques Hiblot wrote:
>>>> To keep a consistent MMC device mapping in SPL and in u-boot, let's
>>>> register the MMC controllers the same way in u-boot and in the SPL.
>>>> In terms of boot time, it doesn't hurt to register more controllers than
>>>> needed because the MMC device is initialized only prior being accessed for
>>>> the first time.
>>>> Having the same device mapping in SPL and u-boot allows us to use the
>>>> environment in SPL whatever the MMC boot device.
>>>>
>>>> Signed-off-by: Jean-Jacques Hiblot <jjhiblot at ti.com>
>>>> ---
>>>>
>>>> This has been tested on DRA7 platforms, AM437x Starter Kit and Beaglebone Black.
>>>> I also checked that building the TI-based platforms was okay using buildman:
>>>> tools/buildman/buildman -d -e -l omap am33 davinci
>>> Did you test this around falcon mode and bootcount as well?  Thanks!
>> I tested the falcon boot on beaglebone, DRA7 and am437x. Note that
>> more changes are required to make it work properly: FDT memory nodes
>> fixup + support for spl_start_uboot() for the am437x SK. They'll be
>> submitted later.
> Er, SK being broken is confusing since 'spl export' should prepare the
> whole DTB.
I didn't write the FDT memory fixup patch so I'm not 100% confident in 
what my following comment:  This patch adjusts dynamically the memory 
nodes in the DTB. I guess that's required because the amount of memory 
is read from an on-board EEPROM.
>
>> I didn't check bootcount because I didn't know about it. I don't
>> think it could have broken since it's not used in SPL and I checked
>> that the env was working in u-boot: I'm setting the variable
>> 'boot_os' from the u-boot prompt to activate/deactivate the falcon
>> boot.
> Ah yes, nevermind, that never made it into mainline, nevermind.
>